Based on the detection data of geological radar and seismic map for the underground faults at the 10 m depth, this paper discusses the detecting means for the super-shallow geological structures.
根据地表下埋深10米断层的探地雷达和地震映像探测资料，讨论了超浅层地质构造的探测方法。
By compiling a map of seismic velocities from thousands of earthquakes across the globe, they can also begin to map temperatures and densities throughout the mantle.
通过编制全球数千次地震的地震速度图，他们还可以开始绘制地幔的温度和密度图。
From the strong earthquake activities since 1500, the seismic ground hazard map in North China is assessed using a deterministic approach method.
根据1500年以来的地震活动，用确定性方法对华北地区地震地面危害分布图进行了定量计算。
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